1/*
2 * Copyright 2012 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SkFontDescriptor_DEFINED
9#define SkFontDescriptor_DEFINED
10
11#include "include/core/SkStream.h"
12#include "include/core/SkString.h"
13#include "include/core/SkTypeface.h"
14#include "include/private/SkFixed.h"
15#include "include/private/SkNoncopyable.h"
16
17class SkFontData {
18public:
19 /** Makes a copy of the data in 'axis'. */
20 SkFontData(std::unique_ptr<SkStreamAsset> stream, int index, const SkFixed axis[],int axisCount)
21 : fStream(std::move(stream)), fIndex(index), fAxisCount(axisCount), fAxis(axisCount)
22 {
23 for (int i = 0; i < axisCount; ++i) {
24 fAxis[i] = axis[i];
25 }
26 }
27 SkFontData(const SkFontData& that)
28 : fStream(that.fStream->duplicate())
29 , fIndex(that.fIndex)
30 , fAxisCount(that.fAxisCount)
31 , fAxis(fAxisCount)
32 {
33 for (int i = 0; i < fAxisCount; ++i) {
34 fAxis[i] = that.fAxis[i];
35 }
36 }
37 bool hasStream() const { return fStream.get() != nullptr; }
38 std::unique_ptr<SkStreamAsset> detachStream() { return std::move(fStream); }
39 SkStreamAsset* getStream() { return fStream.get(); }
40 SkStreamAsset const* getStream() const { return fStream.get(); }
41 int getIndex() const { return fIndex; }
42 int getAxisCount() const { return fAxisCount; }
43 const SkFixed* getAxis() const { return fAxis.get(); }
44
45private:
46 std::unique_ptr<SkStreamAsset> fStream;
47 int fIndex;
48 int fAxisCount;
49 SkAutoSTMalloc<4, SkFixed> fAxis;
50};
51
52class SkFontDescriptor : SkNoncopyable {
53public:
54 SkFontDescriptor();
55 // Does not affect ownership of SkStream.
56 static bool Deserialize(SkStream*, SkFontDescriptor* result);
57
58 void serialize(SkWStream*) const;
59
60 SkFontStyle getStyle() const { return fStyle; }
61 void setStyle(SkFontStyle style) { fStyle = style; }
62
63 const char* getFamilyName() const { return fFamilyName.c_str(); }
64 const char* getFullName() const { return fFullName.c_str(); }
65 const char* getPostscriptName() const { return fPostscriptName.c_str(); }
66 bool hasFontData() const { return fFontData.get() != nullptr; }
67 std::unique_ptr<SkFontData> detachFontData() { return std::move(fFontData); }
68
69 void setFamilyName(const char* name) { fFamilyName.set(name); }
70 void setFullName(const char* name) { fFullName.set(name); }
71 void setPostscriptName(const char* name) { fPostscriptName.set(name); }
72 /** Set the font data only if it is necessary for serialization. */
73 void setFontData(std::unique_ptr<SkFontData> data) { fFontData = std::move(data); }
74
75private:
76 SkString fFamilyName;
77 SkString fFullName;
78 SkString fPostscriptName;
79 std::unique_ptr<SkFontData> fFontData;
80
81 SkFontStyle fStyle;
82};
83
84#endif // SkFontDescriptor_DEFINED
85